Finding the Fourth Proportional to 87,841.26, 121,220.88 and 47,554.98
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Solution
The fourth proportional to 87,841.26, 121,220.88 and 47,554.98 is: 65,625.84
Step by Step Solution
- Step 1: Write the proportion equation
87,841.26 : 121,220.88 = 47,554.98 : x - Step 2: Convert to fraction form
87,841.26/121,220.88 = 47,554.98/x - Step 3: Cross multiply
87,841.26x = 121,220.88 × 47,554.98 - Step 4: Simplify right side
87,841.26x = 5,764,656,523.98 - Step 5: Solve for x
x = 5,764,656,523.98/87,841.26 - Step 6: Final answer
x = 65,625.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.